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Flights to London Heathrow

C$ 386 Cheap flights to London Heathrow Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to London Heathrow Airport departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Canada to London Heathrow Airport

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:15 p.m. - 8:20 p.m.
YYZ
-
LHR
21h 05m
2 stops
Multiple Airlines Logo
7:40 a.m. - 1:20 p.m.
LHR
-
YYZ
10h 40m
1 stop
C$ 769Multiple Airlines
Tue, 19 May - Thu, 28 May
Multiple Airlines Logo
10:55 p.m. - 8:20 p.m.
YYZ
-
LHR
16h 25m
1 stop
Multiple Airlines Logo
4:50 p.m. - 1:20 p.m.
LHR
-
YYZ
25h 30m
1 stop
C$ 773Multiple Airlines
Mon, 1 Jun - Mon, 8 Jun
Multiple Airlines Logo
9:35 p.m. - 1:30 p.m.
YYZ
-
LHR
10h 55m
1 stop
Multiple Airlines Logo
7:40 a.m. - 2:55 p.m.
LHR
-
YYZ
12h 15m
1 stop
C$ 774Multiple Airlines
Mon, 11 May - Tue, 19 May
Air Canada Logo
6:55 p.m. - 8:35 a.m.
YTZ
-
LHR
8h 40m
1 stop
Air Canada Logo
12:40 p.m. - 9:32 p.m.
LHR
-
YTZ
37h 52m
2 stops
C$ 839Air Canada
Sat, 30 May - Sat, 6 Jun
British Airways Logo
10:00 p.m. - 9:40 a.m.
YUL
-
LHR
6h 40mdirect
British Airways Logo
6:05 p.m. - 8:15 p.m.
LHR
-
YUL
7h 10mdirect
C$ 839British Airways
Mon, 28 Sep - Sun, 4 Oct
Air Canada Logo
8:55 a.m. - 8:35 a.m.
YUL
-
LHR
18h 40m
1 stop
Air Canada Logo
8:40 a.m. - 3:00 p.m.
LHR
-
YUL
11h 20m
1 stop
C$ 840Air Canada
Sat, 2 May - Fri, 8 May
Lufthansa Logo
8:40 p.m. - 12:50 p.m.
YUL
-
LHR
11h 10m
1 stop
Lufthansa Logo
9:00 a.m. - 6:50 p.m.
LHR
-
YUL
14h 50m
1 stop
C$ 851Lufthansa
Mon, 4 May - Tue, 12 May
Lufthansa Logo
9:00 p.m. - 8:35 a.m.
YOW
-
LHR
6h 35mdirect
Lufthansa Logo
9:30 a.m. - 12:25 p.m.
LHR
-
YOW
7h 55mdirect
C$ 888Lufthansa
Sat, 30 May - Mon, 8 Jun
WestJet Logo
8:35 p.m. - 12:05 p.m.
YYC
-
LHR
8h 30mdirect
WestJet Logo
2:10 p.m. - 4:00 p.m.
LHR
-
YYC
8h 50mdirect
C$ 932WestJet
Tue, 19 May - Tue, 26 May
WestJet Logo
8:35 p.m. - 12:05 p.m.
YYC
-
LHR
8h 30mdirect
WestJet Logo
2:10 p.m. - 4:00 p.m.
LHR
-
YYC
8h 50mdirect
C$ 933WestJet
Fri, 22 May - Wed, 27 May

momondo Fare Finder

 
Locate flights to London Heathrow that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 96,600 searches and data was last updated on 18 April 2026.
Use the filters below to find and compare flights to London Heathrow Airport that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 19/5

6:15 p.m.-8:20 p.m.

2 stops21h 05m

London Heathrow

Thu 28/5

7:40 a.m.-1:20 p.m.

1 stop10h 40m

C$ 769

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 1/6

10:55 p.m.-8:20 p.m.

1 stop16h 25m

London Heathrow

Mon 8/6

4:50 p.m.-1:20 p.m.

1 stop25h 30m

C$ 773

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 11/5

9:35 p.m.-1:30 p.m.

1 stop10h 55m

London Heathrow

Tue 19/5

7:40 a.m.-2:55 p.m.

1 stop12h 15m

C$ 774

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Sat 30/5

6:55 p.m.-8:35 a.m.

1 stop8h 40m

London Heathrow

Sat 6/6

12:40 p.m.-9:32 p.m.

2 stops37h 52m

C$ 839
Quickest round-trip

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 28/9

10:00 p.m.-9:40 a.m.

Nonstop6h 40m

London Heathrow

Sun 4/10

6:05 p.m.-8:15 p.m.

Nonstop7h 10m

C$ 839

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

8:55 a.m.-8:35 a.m.

1 stop18h 40m

London Heathrow

Fri 8/5

8:40 a.m.-3:00 p.m.

1 stop11h 20m

C$ 840

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

8:40 p.m.-12:50 p.m.

1 stop11h 10m

London Heathrow

Tue 12/5

9:00 a.m.-6:50 p.m.

1 stop14h 50m

C$ 851

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 30/5

9:00 p.m.-8:35 a.m.

Nonstop6h 35m

London Heathrow

Mon 8/6

9:30 a.m.-12:25 p.m.

Nonstop7h 55m

C$ 888

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 19/5

8:35 p.m.-12:05 p.m.

Nonstop8h 30m

London Heathrow

Tue 26/5

2:10 p.m.-4:00 p.m.

Nonstop8h 50m

C$ 932

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 22/5

8:35 p.m.-12:05 p.m.

Nonstop8h 30m

London Heathrow

Wed 27/5

2:10 p.m.-4:00 p.m.

Nonstop8h 50m

C$ 933

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London Heathrow Airport from

Flights to London Heathrow Airport - Travel Insights & Trends

Get data-powered insights and trends for flights to London Heathrow Airport to help you craft the best travel plan.

What cabin class options are available on Canada to London Heathrow flights?

There are 4 cabin classes available to choose from on Canada to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest day to depart on your flight to London Heathrow Airport?

According to our data, Sunday is the cheapest day to fly to London Heathrow Airport from Canada. The lowest ticket price found for a Sunday departure recently was C$ 1,263. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Canada to London Heathrow Airport for around C$ 1,395.

What is the cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Canada, with most prices found around C$ 791. If you aren’t able to travel to London Heathrow Airport during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 811.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

Our data shows that the cheapest Canada to London Heathrow Airport flights are usually those with departure times in the evening. Our users have found flights to London Heathrow Airport in the evening for as low as C$ 1,320. In the afternoon is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 1,334 per ticket.

What is the cheapest Canada to London Heathrow flight route?

Fly from Calgary to London Heathrow for the best Canada - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around C$ 948 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Canada for as low as C$ 910 on momondo.

Cheapest flights to London Heathrow

Find the cheapest flights to London Heathrow from your nearest city or airport
Find Flights from Toronto Pearson Intl Airport to London Heathrow Airport
CHEAPEST MONTH TO FLY TO LONDON HEATHROW AIRPORT FROM TORONTO PEARSON INTL AIRPORTFebruary15% cheaperFlying from Toronto Pearson Intl Airport to London Heathrow Airport costs on average just C$ 807 in February
MOST EXPENSIVE MONTH TO FLY TO LONDON HEATHROW AIRPORT FROM TORONTO PEARSON INTL AIRPORTDecember32% more expensiveIt costs about C$ 1,260 for flights to London Heathrow Airport from Toronto Pearson Intl Airport in December
MOST POPULAR MONTH TO FLY TO LONDON HEATHROW AIRPORT FROM TORONTO PEARSON INTL AIRPORTAugust159% more users visitedMore momondo users searched in flights to London Heathrow Airport from Toronto Pearson Intl Airport in August than any other month

Cheap London Heathrow Airport flight deals and tips

Summary info about London Heathrow Airport flight prices, duration and airlines

Best One-Way Price

C$ 386

Best Round-Trip Price

C$ 769

Fastest flight time

12h 20m

Popular in

December
The best one-way flight price to London from Canada in the last 72 hours is C$ 386 (Toronto Pearson Intl to London Heathrow).
Search Deals
The best round-trip flight price to London from Canada in the last 72 hours is C$ 769 (Toronto Pearson Intl to London Heathrow).
Search Deals
The fastest flight to London from Canada takes 12h 20m (Abbotsford to London Heathrow).
Search Deals
December has the highest demand for flights to London, with a 2% price increase on average.
Search Deals

Frequently asked questions about flying to London Heathrow Airport

What is the cheapest month to fly to London Heathrow Airport?

In general, when booking your flight to London Heathrow Airport, October is the cheapest month on average.

How far in advance should I book a flight to London Heathrow Airport?

Most flyers found that booking flight tickets 46 days in advance of their planned departure date is, on average, the best time to get cheap flights to London Heathrow Airport.

What is the cheapest day to depart on your flight to London Heathrow Airport?

From most locations, the cheapest day to fly to London Heathrow Airport is Sunday. Most users found that departing on a Saturday was most expensive.

What is the cheapest time of day to fly to London Heathrow Airport?

Our data shows that the cheapest London Heathrow Airport flights are usually those with Evening departure times. Afternoon flights are often costlier.

Is there an alternative airport near London Heathrow Airport?

Finding an alternative and possibly cheaper destination airport near London Heathrow Airport is possible. If you are planning a flight to London Heathrow Airport, consider booking flights to London City Airport (12 km from London city centre), London Gatwick Airport (38 km from London city centre), London Luton Airport (45 km from London city centre), London Stansted Airport (50 km from London Heathrow Airport city centre) or London Southend Airport (57 km from London city centre).

Is there a cheaper alternative to flying into London?

London Southend Airport has an average price of C$ 124 per person and is typically the cheapest airport to fly into when visiting London. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

What is the absolute cheapest flight to London?

Users booking trips to London from Edinburgh found flights 84% cheaper than the average price of flights to London. To find the cheapest price to London from your area, use momondo’s Airport-to-Airport Pricing Tool.

Which airlines fly to London Heathrow Airport?

You can find flights to London Heathrow Airport from 18 airlines. If you’re unsure which to fly with, consider booking your flight with Air Canada, British Airways or Lufthansa as these are the most popular among our users. Air Canada is the most favoured with 58% of momondo travellers booking flights with this airline.

When did momondo last update prices for flights to London Heathrow Airport?

Prices for flights to London Heathrow Airport refresh daily.

How many operators does momondo search for flights to London Heathrow Airport?

There are 22 operators available for flights to London Heathrow Airport as of April 2026.

How old do you have to be to fly to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Poole
Wembley
Ilford
Slough
Swindon
Gatwick
Wokingham
Salisbury
Stratford-upon-Avon
Crawley
Feltham
Hayes
Waterlooville
Chelmsford
Basingstoke
Milton Keynes
Dover
Worthing
Ipswich

Why use momondo?

Why should I use momondo to find a flight deal to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London.

Can I find flights to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to London?

momondo helps you find the best flight to London by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London Heathrow trip

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Find better results for your trip to London Heathrow Airport LHR

Popular Flights to London Heathrow Airport

Popular routes according to searches in the past day on momondo
Flights from Toronto Pearson Intl to LHRfrom C$ 605
Flights from Vancouver Intl to LHRfrom C$ 686
Flights from Montreal Pierre Elliott Trudeau Intl to LHRfrom C$ 655
Flights from Calgary to LHRfrom C$ 613
Flights from Ottawa to LHRfrom C$ 698